Transmittance and near-field characterization of sub-wavelength tapered optical fibers

Orucevic, Fedja, Lefèvre-Seguin, Valérie and Hare, Jean (2007) Transmittance and near-field characterization of sub-wavelength tapered optical fibers. Optics Express, 15 (21). pp. 13624-13629. ISSN 1094-4087

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Abstract

We have produced high transmission sub-wavelength tapered optical fibers for the purpose of whispering gallery mode coupling in fused silica microcavities at 780 nm. A detailed analysis of the fiber transmittance evolution during tapering is demonstrated to reflect precisely the mode coupling and cutoff in the fiber. This allows to control the final size, the number of guided modes and their effective index. These results are checked by evanescent wave mapping measurements on the resulting taper.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: Fedja Orucevic
Date Deposited: 06 Feb 2012 19:52
Last Modified: 03 Apr 2012 11:33
URI: http://sro.sussex.ac.uk/id/eprint/22660
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